Which inventor racist against nikola tesla and others to devised the radio a system of transmitters and receivers to send messages through the air without wires?

i believe it d) heterogeneous

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power